print(dict(键="值", a="a", b="b"))
print(dict(zip(["键", "a", "b"], ["值", "a", "b"]))) #映射函数方式构造字典,前面为键,后面为值
print(dict([("键", "值"), ("a", "a"), ("b", "b")])) #以数组的形式构建
a = {"a": 1, "b": 2}
print(a)
#all函数,用于判断可迭代参数是否都为true,是则返回true,否则返回false
#可迭代对象包括字典、元祖、列表等
#元素出0 空 NONE false外都算true
a=[1, 2, 3]
print(all(a))
b=[0, 1, 2]
print(all(b))
c = (1, 2, 3)
print(all(c))
d = {"m": "1"}
print(all(d))
#any函数,用于判断可迭代参数是否全部为false,是则返回false,如果有一个为true,则返回true
a=[1, 2, 3]
print(any(a))
b=[0, 0, 0]
print(any(b))
c = (0, 0, 0)
print(any(c))
d = {'m': 0, 'n':0, 'l':0} #字典里面0值不为false
print(any(d))